Define a period

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How many working days in year 2021?

Here is the detail of the calculation:

Because 2021 is not a leap year, it has 365 days.

Let's remove 52 saturdays and 52 sundays. It remains 261 days.

Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 254 working days in 2021.

Here is the list of these 7 public holidays:

1. New Year's Day : Friday, 1 January, 2021
2. National Day : Monday, 15 March, 2021
3. Good Friday : Friday, 2 April, 2021
4. Easter Monday : Monday, 5 April, 2021
5. Pentecost Monday : Monday, 24 May, 2021
6. State Foundation Day : Friday, 20 August, 2021
7. All Saints' Day : Monday, 1 November, 2021

And here are the 6 public holidays falling on a weekend:

1. Easter Sunday : Sunday, 4 April, 2021
2. Labour Day : Saturday, 1 May, 2021
3. Pentecost Sunday : Sunday, 23 May, 2021
4. National Day : Saturday, 23 October, 2021
5. Christmas Day : Saturday, 25 December, 2021
6. Second Day of Christmas : Sunday, 26 December, 2021